Effect of Weakly Transverse Perturbations on Dust Acoustic Solitary Waves with Adiabatic Variation of Dust Charge |
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Authors: | DUAN Wen-Shan |
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Affiliation: | Department of Physics, Northwest Normal University, Lanzhou 730070, China |
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Abstract: | By employing the reductive perturbation technique we derived a Kadomtsev-Petviashvili equation forunmagnetized dusty plasmas. It suggests that the nonlinear dust acoustic solitary waves with adiabatic variation of dustcharge are stable even there are some higher order transverse perturbatoins. There are only rarefactive solitary wavesfor this system which has been verified analytically in this paper. |
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Keywords: | soliton KP equation |
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